baber/WOPTO huggingface dataset:
Patent GB-487662-A (GB)
Title: Method for the manufacture of electric heating elements
IPC: H01B7/16
Filed: 1938-01-17
Abstract: 487,662. Resistance heating elements. SOC. D'ETUDES ET D'APPLICATIONS INDUSTRIELLES, SOC. ANON. Jan. 17, 1938, No. 1506. Convention date, Jan. 20, 1937. [Class 39 (iii)] Powdered insulation is compressed within the space between the walls of a metal tube and a mandrel placed in the position to be occupied by a helical resistance winding. The mandrel is then replaced by the winding, the space within which is filled with powdered insulation or compressed blocks thereof, and finally a shrinkage of the cross-section of the assembled element is effected. The tube may contain more than one winding. Specification 471,252 is referred to.
Patent GB-703211-A (GB)
Title: Improvements in and relating to excavators, more particularly for digging trenches
IPC: E02F5/02
Filed: 1952-01-18
Abstract: 703,211. Endless track vehicles. HOMBERG, F. Jan. 18, 1952 [Jan. 20, 1951], No. 1515/52. Class 79(1) [Also in Group XXI] In an excavating machine each pair of bogie wheels 8 of endless tracks 9 supporting the chassis are mounted on pivotally connected levers 6, 7 which are yieldably maintained apart by a spring in an enclosed telescopic housing 10.
Patent GB-309890-A (GB)
Title: Improvements in or relating to electrical connectors or adaptors
IPC: H01R27/00
Filed: 1928-01-17
Abstract: 309,890. Bemers, F. D., and Burns, L. Jan. 17, 1928. Plug couplings; two-part couplings.-In order to adapt a socket connector attached to a flex for use with various standard supply fittings, several interchangeable elements are provided having at one end plugs to fit the connector and at the other end plug pins of different standard sizes or a bayonet connector to fit a lamp holder. The sockets 5, Fig. 2, are mounted in a block 4 secured by screws in a casing 2 having an inlet 3 for a flex. The interchangeable elements comprise an insulating body 10, Fig. 2, or 16, Fig. 3, and each has a pair of pins 11 to fit the sockets 5, the other end having either contacts 12 and a bayonet coupling, or plugs 17. The contacts are directly connected through the adapter element. Spring catches 14 engaging holes 13, 20 prevent accidental disengagement of the parts.
Patent GB-547797-A (GB)
Title: Improvements in or relating to photographic printing
IPC: G03B27/08
Filed: 1941-02-07
Abstract: 547,797. Pbotographic contact-printing apparatus. TERRANEAU, R., and STUART, J. L. Feb. 7, 1941, No. 1680. [Class 98 (ii)] The variation in density in various sections of a kinematograph film is compensated by interposing in the optical part of a continuous printing apparatus a window the aperture width of which is varied automatically by the film in its passage through the apparatus. The aperture window may comprise a strip of film furnished at the centre with a series of adjoining photographically produced translucent sections forming a continuous strip running from end to end of the film, the width of the sections varying. As shown in Fig. 1, a light beam from a lamp and lens is projected up through a prism a, through a further prism b, and thence through a slot c over which the original film d and the copy film e are fed at a constant speed. Interposed in the path of the beam is the photographically produced control film f carried on spools 30, 31. During printing of a section of the film d of substantially constant density, the control film is stationary, but when a succeeding section of the film d of different density is being printed, the control film is shifted. The film d is provided with notched edges, or with metal staples, or the thickness of the spliced portions is used to effect the shift. A pair of spring-urged levers carries rollers 39, 39a at their free ends, the rollers engaging one edge of the film d and the levers controlling electric circuits actuating two solenoids forming part of an electromagnetic clutch. A driving shaft g, Fig. 4, rotates continuously in one or other direction according to the direction of movement of the films d, e, but the film f is maintained stationary by the armatures 5, 5a, spring-pressed to hold the projection 3 or 3a stationary by a latch 4 and thus maintain stationary the intermittent gearing for the toothed wheel 29, Fig. 1, driving the film f. The shaft g tends to rotate the sleeve s by friction means, but the sleeve s remains stationary since the two latch plates 7 are connected by springs z to a pin 2 fixed to the sleeve s. When the latch is freed, the film f is fed by a determined amount, the film f being accurately located by a pin on one gear cooperating with a toothed wheel.
Patent GB-956228-A (GB)
Title: Improvements in or relating to the manufacture of solid bodies
IPC: B22C1/18
Filed: 1963-01-15
Abstract: 956,228. Casting processes; mould and core materials. HENKEL & CIE G.m.b.H. Jan. 15, 1963 [Jan. 16, 1962], No. 1706/63. Heading B3F. Foundry cores and like moulded bodies are made by contacting a mixture of an inert filler and a solution of an alkali metal silicate and an alkali metal hypochlorite, with an acid gas. The filler may be sand or clay, the silicate, sodium or potassium silicate, the hychlorite chlorine lye, and the gas CO 2 , SO 2 , SO 3  or vapours of acetic acid. Small quantities of adsorbing organic substances may be added, such as sugar, wood dust, molasses, coal dust, pitch. Sodium alginate may also be added.
Patent GB-1336026-A (GB)
Title: Composition for use in the treatment of steel
IPC: C23G1/02
Filed: 1971-01-13
Abstract: 1336026 Composition for pickling steel MITSUBISHI JUKOGYO KK 13 Jan 1971 [14 Jan 1970 30 April 1970 9 Oct 1970 28 Nov 1970] 1748/71 Heading C7E A composition for use in the pickling treatment of steel comprises (a) an alginate; (b) at least one material selected from starch, a water-soluble synthetic resin, bentonite, talc, powdered silica and powdered terra alba; (c) an acid, and (d) a penetrant. Suitable acids include hydrochloric, sulphuric, nitric, citric and phosphoric acids and the penetrant is preferably a non-ionic surface active agent. The composition may also include gelatin and an agent to promote the solution of iron e.g. acid ammonium fluoride; stannous chloride, oxide or sulphate; or tin. Suitable resins include a polyamide, a polyacrylamide, methyl cellulose, carboxymethyl cellulose, sodium cellulose, an alkyd resin, a phenolic resin, a melamine resin and an acrylic resin. After application to the steel surface to be treated, the composition forms a semi-solid film on drying, said film then being peeled off to leave a clean, rust-free metallic surface.
Patent GB-1498911-A (GB)
Title: Method of and apparatus for electrically heating molten glass
IPC: C03B5/027
Filed: 1975-01-15
Abstract: 1498911 Melting and refining glass OWENSCORNING FIBERGLAS CORP 15 Jan 1975 [20 March 1974] 1762/75 Heading C1M A method of continuously melting and refining molten glass comprises: heating molten glass 22 by Joule effect heating (using electrodes 33, 34); feeding glass batch material 26 to the surface of the melt 22 in a delivery region 27 and allowing the batch to distribute in an unmelted layer (26) over a preponderance of the surface of the molten glass; withdrawing molten glass from a region 31, remote from delivery region 27, in which the surface 29 is free of unmelted batch material; and applying heat to the glass and batch from one or more sources 43 located only above the batch-free region 29, the heat promoting the release of gas evolved from the said molten surface. The heat is preferably applied from hydrocarbon burners 43, and the burners are preferably arranged so that the gas evolved and the combustion products (44) pass over the blanket of batch to flue 45, so that the batch is heated by the gas (which cools, e.g. from 2000 F. to 600 F.).
Patent GB-606768-A (GB)
Title: An improved holder or support for a feeler gauge
IPC: G01B3/32
Filed: 1946-01-18
Abstract: 606,768. Handles. BIRCH, A. J. Jan. 18, 1946, No. 1783. [Class 61 (i)] A feeler gauge 3 is secured in a handle 1 with its end engaged over a pin 2 by means of a clamping lever 13 pivoted at 12 and held in clamping position by a sliding wedge 6 carried on a tubular stem 7 located within the tubular handle 7 and urged forwardly by a coil spring 8, a leaf-spring 11 on the wedge 6 moving the clamping lever into and out of clamping position as the wedge moves forwards or backwards.
Patent GB-538384-A (GB)
Title: Improvements relating to steel wire ropes
IPC: D07B7/18
Filed: 1940-01-30
Abstract: 538,384. Un-twisting ropes; metals,bending. BRITISH ROPES, Ltd., and GIBSON, A. Jan. 30, 1940, No. 1872. [Class 109] [Also in Group XXII] A tool to open up wire ropes in situ so that their internal condition may be inspected comprises means for clamping the rope in two positions, spaced apart in the direction of its 'length and for effecting relative rotation of the portion of the rope between the clamps so as to unlay the strands. Two elements, 1, 1a bolted together at 11, carry aligned portions 2, 2a on which are clamps. 5 through which the rope passes. Inside a casing 7 is mounted a worm wheel segment 8 which can be turned by a worm shaft and handle or tommy bar 20. The rope is gripped by a clamp carried by the segment 8 and by one of the clamps 5. The stretch of rope between the two operative clamps can thus be opened up.
Patent GB-378775-A (GB)
Title: Improvements in or relating to lead pipe joints
IPC: F16L19/05
Filed: 1932-01-21
Abstract: 378,775. Pipe joints. RUSH, A. R., 107, Lutterworth Road, and RUSH, S. R. G., 1, Chestnut Road, both in Northampton. Jan. 21, 1932, No. 1901. [Class 99 (i).] A joint for lead pipes comprises a union C against the coned ends of which the expanded ends of the pipe are compressed by sleeves A and nuts B. To support the pipes the sleeves A are relatively long. One end of the union may internally or externally be screw threaded for connection to a hard metal pipe and the union may be formed for connecting more than two pipes. Reference has been directed by the Comptroller to Specifications 9828/02, 8288/06, [both in Class 99, Pipes &c.], and 102,847, [Class 99 (i), Pipes and tubes, Joints &c. for].
Patent GB-474192-A (GB)
Title: Improvements in high-pressure mercury vapour discharge tubes
IPC: H01J61/20
Filed: 1937-01-22
Abstract: 474,192. Discharge apparatus. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. Jan. 22,1937, No. 1970. Convention date, Jan. 24, 1936. Drawings to Specification. [Class 39 (i)] In a high-pressure mercury tube which comprises a mixture of neon and argon to facilitate ignition, the pressure of the rare gas is lower than 18 mms. and is preferably lower than 10 mms., and the quantity of rare gas is smaller than 6 atom per cent of the mercury vapour available when the tube has reached normal operation. In one form, a tube adapted to emit visible or ultraviolet rays is housed within an evacuated jacket and contains incandescent electrodes, heated by the discharge, and an auxiliary electrode connected through a resistance to an incandescent electrode. The filling comprises 7 mgs. of mercury per cm. length of the tube and neon to which 0À2 per cent argon has been added. The quantity of rare gas amounts to 3 atom per cent of the available mercury vapour. Dimensions of the tube are contained in the Specification. The invention may be applied to tubes in which the mercury pressure is greater or less than 10 atmospheres and to tubes which may or may not be water cooled.
Patent GB-570778-A (GB)
Title: Improvements in or relating to helicopters
IPC: B64C27/54
Filed: 1944-02-03
Abstract: 570,778. Helicopters. FAIREY AVIATION CO., Ltd., CHAPLIN, H. E., and COSTIGAN, F. J. Feb. 3, 1944, No. 1987. [Class 4] The rotor blades m of a helicopter are mounted on drag links k, attached to the hub by T-shaped brackets f, g and extending in the trailing direction, the drag pivots for the blades being formed at the ends of the links. The arms of the T-shaped brackets are journalled in bearings e, h to provide pitch'changing and flapping axes. Simultaneous and cyclical pitch variations are imparted to the blades by sliding and tilting movements of a gimbal ring q, connected to each of the members f, g by means of links o. The drive between the shaft 18 and rotor hub c consists of an epicyclic reduction gear comprising compound planet pinions 20, 22, meshing with sun-wheels 21, 23. A band brake 24 is provided for locking the rotor hub.
Patent GB-654462-A (GB)
Title: Process of preparing nitriles
IPC: C11C3/00
Filed: 1948-01-22
Abstract: <PICT:0654462/IV (b)/1> Fatty acids or their esters are converted to the corresponding nitriles by treating them with ammonia, the process including the steps of (a) mixing ammonia with a body of the acid or ester in liquid phase within a liquid phase conversion zone and (b) continuously withdrawing the reaction mixture as vapour from said zone and passing the mixture to a heated vapour phase conversion zone, containing a dehydrating catalyst, to convert the fatty acids and amides in the vapour to nitriles in the presence of those vaporized nitriles which were formed in the liquid phase conversion zone.  Suitable starting materials are mixed fatty acids which have been obtained by hydrolysing fat or oil with the Twitchell or autoclave process, caprylic, capric, lauric, myristic, palmitic, stearic, oleic, and linoleic acids, hydrogenated acids or alkyl esters of any of these acids. Activated aluminium oxide is mentioned as a suitable dehydrating catalyst.  In the Figure, the feedstock containing fatty acids or their esters is fed continuously by feed pump 10 into a preheater 11 where it is heated to a temperature preferably above 400 DEG  F. but below the boiling points of the acids.  A temperature of 550 DEG  F. is mentioned as suitable, especially when a starting material containing a substantial proportion of stearic acid is used. From the preheater the stock is discharged continuously in liquid form through the control valve 28 into the vaporizing chamber 12, which is preferably fitted with a sight gauge 13.  The heating coil 14 supplies the heat necessary for continuous vaporization. Anhydrous ammonia is heated in a preheater 15 to a temperature preferably about 550 DEG  F. and is continuously introduced into the lower portion of the liquid fatty substance in the vaporizer 12 by means of the distributer 16.  The heat supplied through the coil 14 and the quantity of preheated stock introduced into the chamber 12 are so regulated that the liquid acid stock remains in contact with the ammonia for a period of time preferably averaging over 45 minutes.  The vapours issuing from the vaporizer may be passed through the tube heater 17 where they are preferably heated to about 750-800 DEG  F.  The vapours thus heated are passed through the catalyst chamber 18 and on leaving are condensed in the condenser 20.  The mixture passes into the separator 21 where the nitriles and water are separated from excess ammonia.  The excess ammonia is preferably recovered and recycled by passing the gas from the separator 21 into the scrubber 22 where a descending stream of cold weak ammonia solution absorbs the ammonia, the non-condensable gases being vented into the atmosphere; the relatively strong ammonia solution from the base of the scrubber is pumped through the heat exchanger 23 and to the ammonia still 24 and from there may be passed through the line 25 and regulating valve 26 back to the preheater 15. Pitch is removed periodically through line 27.  Specification 477,463 is referred to.
Patent GB-545963-A (GB)
Title: Portable wheel scale
IPC: G01G19/02
Filed: 1940-10-17
Abstract: 545,963. Weighing-apparatus. BLACK & DECKER MANUFACTURING CO. Oct. 17, 1940, No. 2058/42. Convention date, Feb. 14, 1940. Divided out of 544,588. , Drawings to Specification. [Class 143] A manually portable platform type of device for weighing wheeled road vehicles, aeroplanes or the like comprises a beam with means for transmitting to the beam from the platform pressures proportionate to the loads, a spring for balancing the beam in opposition to the load, means for connecting the spring to the outer end of the beam and having a point contact with the beam, or with a bell-cranl lever connected to the beam, and a widely multiplying lever pivoted adjacent the outer end of the beam and having a point contact with the beam, or with the bell-crank lever. Specification 525,458 is referred to, and the descriptive matter is identical with that set forth in Specification 544,588.
Patent GB-353838-A (GB)
Title: Improvements in or relating to apparatus for sorting fruit, bulb and like produce
IPC: B07B13/00
Filed: 1930-01-21
Abstract: 353,838. Separating solid materials. VELZEN, J. P. G. VAN, 26, Rijnstraat, The Hague. Jan. 21, 1930, No. 2093. Convention date, Jan. 21, 1929. Void [Published under Sect. 91 of the Acts]. [Class 117.] In apparatus of the kind described in Specification 249,098, [Class 117, Sifting &c.], for sorting fruit, bulbs, and other horticultural produce, the spring fingers r for clearing the grading apertures are divided into two groups of transverse rows corresponding to the even and odd rows of apertures, the members of the two groups working in opposite phase. In the construction described the spindles ql, q<3> carrying one group of fingers and the spindles q<2>, q<4> carrying the other group are respectively connected to bars h<2>, h<3>, driven by a two-armed lever t. In a modification the members may be subdivided into more than two groups.
Patent GB-377216-A (GB)
Title: Reduction of unbalance in telephone cables
IPC: H04B3/32
Filed: 1931-01-22
Abstract: 377,216. Preventing inductive disturbance. STANDARD TELEPHONES & CABLES, Ltd., and LATIMER, K. E., Columbia House, Aldwych, London. Jan. 22, 1931, No. 2155. [Class 40 (iv).] In order to reduce near-end cross-talk in cables, particularly those containing four-wire circuits, the screening between circuits transmitting in opposite directions is graded along a repeater section in accordance with the liability to interference. The invention may be applied also to the reduction of noise interference. In Fig. 1, at the ends of the section, the quads used for transmitting in opposite directions are contained in separate cables a, b, while other quads not used for four-wire transmission may be disposed in either cable with suitable screening. A single cable c is used for the intermediate portion, the quads, such as cl, c2 transmitting in opposite directions being spaced apart and screened by metal screens d or being in the form of separator quads. In Fig. 2, the quads e<1> for one direction are arranged in one or more layers surrounding the quads e<2> for the other direction, with a metallic screen f between. Special screened pairs e<3> for music transmission may be placed in the centre of the cable. At the ends of the section the screen f may be made of iron, and in the intermediate portion of tin foil or similar material or it may be dispensed with. There may be two intermediate portions with light screening, in which case the relative positions of the groups are preferably interchanged at their junction, as described in Specification 259,546, [Class 40 (iv), Telephones &c.]. Two-wire circuits if used may be arranged in an outer layer. Specifications 153,995, 314,564, [both in Class 36, Electricity, Conducting &c.], and 376,245 also are referred to.
Patent GB-1163393-A (GB)
Title: Drive Mechanism
Inventor: SUTARUK ALEX
IPC: F16D35/02
Filed: 1968-01-15
Abstract: 1,163,393. Hydraulic couplings; variableratio gears. EATON YALE & TOWNE Inc. 15 Jan., 1968 [1 Feb., 1967], No. 2187/68. Headings F2C and F2D. A two-speed belt drive for vehicle accessories such as a fan, a water pump and an alternator, comprises a pulley 22 clutched to an engine crank-shaft 16 by a shear-type hydraulic coupling which is emptied at a predetermined crankshaft speed by centrifugally operating means whereafter drive is transmitted through an overrunning clutch 136 to a pulley 32 to drive the accessories at a lower ratio. The hydraulic coupling comprises a driving member 20 fast with the crank-shaft and having lands 70 interdigitated between lands 70a on the hollow output pulley 22. The filling of the coupling is controlled, to control its output speed, by a centrifugally operated valve in a passage 80 between a pumping abutment 76 extracting fluid from the working chamber and a reservoir 73 provided in the output pulley. The valve is biased to its closed position by a spring, which may be a bi-metallic spring so that the valve opens at a higher crank-shaft speed with higher ambient temperatures, and opens to decrease the filling of working space as the crank-shaft speed rises. At a predetermined input speed a pumping abutment 114 carried by the driving member 20 is shifted centrifugally outwardly against spring loading and directs flow from the working chamber through a bore 118 in the driving member 20 to a reservoir 124 to empty the working chamber and discontinue drive through the coupling. Specification 1,128,597 is referred to.
Patent GB-1529085-A (GB)
Title: Arrangement for recording information on a magnetic record carrier
IPC: G11B5/29
Filed: 1976-01-20
Abstract: 1529085 Magnetic heads COMPAGNIE INTERNATIONALE ROM INFORMATIQUE CII HONEYWELL BULL 20 Jan 1976 [23 Jan 1975] 02208/76 Heading G5R A recording head 11, Fig. 3a, has a core 14 of constant thickness including at its two ends a recording pole 17 and a flux-return pole 18 which is of larger cross-section than the recording pole, with a magnetic shunt 12 on the opposite side of the recording medium 13. A plurality of such heads may be arranged in a module, Fig. 4 (not shown), e.g. in oppositely oriented pairs, Figs. 5a and 5b (not shown). The recording medium may be a film 103 on the surface of a cylinder 102 forming the magnetic shunt. Fig. 6a, or a tensioned endless band pressing against a shunt bar (202), Fig. 6b (not shown).
Patent GB-752565-A (GB)
Title: Improved syphon elbow assembly for use in drying cylinders and the like
IPC: D21G9/00
Filed: 1954-01-25
Abstract: 752,565. Syphon elbow for drying cylinders &c. JOHNSON CORPORATION. Jan. 25, 1954 [July 6, 1953], No. 2242/54. Class 99(1). [Also in Group VIII] In a syphon elbow, such as is employed in paper driers, of the type comprising pivotally connected body parts 10, 12 carrying pipe sections which can be passed in straightline arrangement through an opening in a cylinder journal, the leading section falling to syphoning position when the joint passes beyond the inner end of the opening, the part 12 has an end surface 24 inclined at an angle of substantially 30 degrees to the longitudinal axis thereof, and the part 10 has a bore 32 eccentric to the main bore 101, adapted to seat on the tapered end 30 of a hardened sleeve 28 fitted in a bore 26 in the part 12, when the part 10 falls by gravity towards the surface 24. The pivotal connection of the parts 10, 12 comprises a pin 18 passing through a fork 20 on the former and an arm 22 on the latter.
Patent GB-1416281-A (GB)
Title: N-benzene-sulphonyl-erythromycylamine derivatives
IPC: C07H17/08
Filed: 1974-01-17
Abstract: 1416281 Medicines comprising antibiotics PLIVA PHARMACEUTICAL & CHEMICAL WORKS 17 Jan 1974 [19 Jan 1973] 2242/74 Heading A5B [Also in Division C2]  Erythromycylamine derivatives of the general formula wherein R is a C 1-5  alkyl group, a halogen atom or a -NHCOR' group, in which R' is a C 1-3  alkyl or phenyl group, having antibiotic activity, exhibit synergism when used in combination with trimethoprim(2, 4-diamino-5-(3', 4', 5'-trimethoxybenzyl)pyrimidine).